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From Gary Tully <>
Subject Re: All AMQ traffic stops (Network of Brokers)
Date Tue, 10 Aug 2010 10:27:26 GMT
I think debug logging may be needed to understand this.

On 9 August 2010 20:51, Kulidan <> wrote:
> The issue we are having is that after a certain amount of time (days) ALL
> activeMQ traffic comes to a halt.  No errors appear in any of the logs (we
> do not have debug logging enabled at this time).  When this 'event' happens
> it appears all produces are blocking regardless of which node they are
> connected to or what topic.
> We use a network of brokers (currently 5) located around the globe.  Each
> node has a connection to the other 4 nodes.
> An example of this configuration:
> <networkConnectors>
>    <networkConnector name="Site2" uri="static://(tcp://site1:61616)"/>
>    <networkConnector name="Site3" uri="static://(tcp://site2:61616)"/>
>    <networkConnector name="Site4" uri="static://(tcp://site3:61616)"/>
>    <networkConnector name="Site5" uri="static://(tcp://site4:61616)"/>
> </networkConnectors>
> Clients located near each of these sites connect to the closest broker and
> are able to get data that is produced by clients connected to any of the
> other sites.  When the traffic comes to a halt it appears we have to reboot
> all 5 servers to fix the issue.  For example clients of site1 will report
> the issue and typically the solution is the simply reboot that AMQ but in
> this scenario this does not help - we end up resetting all 5 servers before
> the problem is cleared.
> What could be the cause of this?  If one of the brokers were getting data it
> has no consumers for, could this cause it to fill up and block all traffic?
> What most surprises me about this is it does not halt traffic for a specific
> topic of queue but all topics.
> Thanks for any clues.
> --
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